我国区域公路运输与社会经济协调发展的主成分分析
The Principle Component Analysis on Coordinated Development Between Regional Highway Transportation and Social-economic in China
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摘要: 在分析公路运输发展指标、社会经济发展指标及其关系的基础上,建立了区域公路运输与社会经济协调发展的评价指标体系.以中国大陆31个省(市、自治区)2004年指标的统计数据为研究样本,运用SPSS统计软件对样本数据进行标准化处理和主成分分析;提取3个主成分,将各主成分得分结合主成分权数进行综合计算,得出各区域的综合得分;最后,按综合得分对各区域的协调发展程度进行归类,并进行分析评价,作为解释公路运输与社会经济协调发展程度的主要依据.Abstract: Based on the analysis of highway transportation development target, the social-economic development target and their correlation an evaluating indicator system is set up which coordinates the area highway transportation with the social economy development.By taking China's mainland 31 provinces (municipalities, autonomous regions, target statistical data in 2004 as an example standardized processing and the principal components analysis of the sampled data were conducted by using the SPSS statistics software. Three principal components were obtained.The synthesis score of various regions by various principal components score with principal components weight was achieved by synthesis computation.Finally, the degree of coordinating development of various regions is classified by the synthesis score, and the analysis appraisal is carried out in order to provide reference for explaining the coordinated development between highway transportation and social economy.